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Finding the Fourth Proportional to 591,753.89, 887,854.44 and 355,261.43

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Solution

The fourth proportional to 591,753.89, 887,854.44 and 355,261.43 is: 533,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,753.89 : 887,854.44 = 355,261.43 : x
  2. Step 2: Convert to fraction form
    591,753.89/887,854.44 = 355,261.43/x
  3. Step 3: Cross multiply
    591,753.89x = 887,854.44 × 355,261.43
  4. Step 4: Simplify right side
    591,753.89x = 315,420,437,986.25
  5. Step 5: Solve for x
    x = 315,420,437,986.25/591,753.89
  6. Step 6: Final answer
    x = 533,026.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.